Ophestra
eb3385d490
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The mount function now wraps its own errors in a much more descriptive type with proper message formatting. Wrapping them no longer makes any sense. Signed-off-by: Ophestra <cat@gensokyo.uk>
36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
package container
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import (
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"encoding/gob"
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"fmt"
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)
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func init() { gob.Register(new(RemountOp)) }
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// Remount appends an [Op] that applies [RemountOp.Flags] on container path [RemountOp.Target].
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func (f *Ops) Remount(target *Absolute, flags uintptr) *Ops {
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*f = append(*f, &RemountOp{target, flags})
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return f
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}
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// RemountOp remounts Target with Flags.
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type RemountOp struct {
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Target *Absolute
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Flags uintptr
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}
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func (r *RemountOp) Valid() bool { return r != nil && r.Target != nil }
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func (*RemountOp) early(*setupState, syscallDispatcher) error { return nil }
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func (r *RemountOp) apply(_ *setupState, k syscallDispatcher) error {
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return k.remount(toSysroot(r.Target.String()), r.Flags)
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}
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func (r *RemountOp) Is(op Op) bool {
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vr, ok := op.(*RemountOp)
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return ok && r.Valid() && vr.Valid() &&
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r.Target.Is(vr.Target) &&
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r.Flags == vr.Flags
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}
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func (*RemountOp) prefix() string { return "remounting" }
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func (r *RemountOp) String() string { return fmt.Sprintf("%q flags %#x", r.Target, r.Flags) }
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